# 定义字符串变量
info= "label_data"
# 输出原始字符串
print("原始字符串:")
print( info )
# 转小写并输出
lower_info = info.lower()
print("小写:", lower_info )
# 转大写并输出
upper_info = info.upper()
print("大写:", upper_info )
# 输出长度
print("长度:", len (info))
# 逆序并输出
reverse_info = info [::-1]
print("逆序:", reverse_info )
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